Separating Encryption and Key Issuance in Digital Rights Management Systems. - Goichiro Hanaoka; Kazuto Ogawa; Itsuro Murota; Go Ohtake; Keigo Majima; Kimiyuki Oyamada; Seiichi Gohshi; Seiichi Namba; Hideki Imai (ACISP, 2003)

Managing Encryption and Key Publication Independently in Digital Rights Management Systems. - Goichiro Hanaoka; Kazuto Ogawa; Itsuro Murota; Go Ohtake; Keigo Majima; Seiichi Gohshi; Kimiyuki Oyamada; Seiichi Namba; Hideki Imai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2004)

Network Broadcasting System Using Viewer Information. - Arisa Fujii; Haruyuki Nakamura; Go Ohtake; Keigo Majima; Yoshihiro Fujita; Hiroyuki Imaizumi; Koichi Tanimoto; Takaaki Yamada (SMC, 2006)

Identified-Service Support System and Its Application to Network Broadcasting Services. - Koichi Tanimoto; Takaaki Yamada; Haruyuki Nakamura; Arisa Fujii; Go Ohtake; Keigo Majima; Yoshihiro Fujita; Hiroyuki Imaizumi (SMC, 2006)

Trade-Off Traitor Tracing. - Kazuto Ogawa; Go Ohtake; Goichiro Hanaoka; Hideki Imai (INDOCRYPT, 2007)

Anonymous Authentication Scheme for Subscription Services. - Arisa Fujii; Go Ohtake; Goichiro Hanaoka; Kazuto Ogawa (KES (3), 2007)

An Efficient Strong Key-Insulated Signature Scheme and Its Application. - Go Ohtake; Goichiro Hanaoka; Kazuto Ogawa (EuroPKI, 2008)

On the Theoretical Gap between Group Signatures with and without Unlinkability. - Go Ohtake; Arisa Fujii; Goichiro Hanaoka; Kazuto Ogawa (AFRICACRYPT, 2009)

A Trade-off Traitor Tracing Scheme. - Go Ohtake; Kazuto Ogawa; Goichiro Hanaoka; Hideki Imai (IEICE Trans. Inf. Syst., 2009)

Efficient Broadcast Encryption with Personalized Messages. - Go Ohtake; Goichiro Hanaoka; Kazuto Ogawa (ProvSec, 2010)

Efficient Provider Authentication for Bidirectional Broadcasting Service. - Go Ohtake; Goichiro Hanaoka; Kazuto Ogawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

Application Authentication for Hybrid Services of Broadcasting and Communications Networks. - Go Ohtake; Kazuto Ogawa (WISA, 2011)

Secure Broadcast System with Simultaneous Individual Messaging. - Arisa Fujii; Go Ohtake; Goichiro Hanaoka; Nuttapong Attrapadung; Hajime Watanabe; Kazuto Ogawa; Hideki Imai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Chosen Ciphertext Secure Keyed-Homomorphic Public-Key Encryption. - Keita Emura; Goichiro Hanaoka; Go Ohtake; Takahiro Matsuda 002; Shota Yamada 001 (Public Key Cryptography, 2013)

Partially Wildcarded Attribute-based Encryption and Its Efficient Construction. - Go Ohtake; Yuki Hironaka; Kenjiro Kai; Yosuke Endo; Goichiro Hanaoka; Hajime Watanabe; Shota Yamada 001; Kohei Kasamatsu; Takashi Yamakawa; Hideki Imai (SECRYPT, 2013)

Chosen Ciphertext Secure Keyed-Homomorphic Public-Key Encryption. - Keita Emura; Goichiro Hanaoka; Koji Nuida; Go Ohtake; Takahiro Matsuda 002; Shota Yamada 001 (IACR Cryptol. ePrint Arch., 2013)

Weakened Anonymity of Group Signature and Its Application to Subscription Services. - Kazuto Ogawa; Go Ohtake; Arisa Fujii; Goichiro Hanaoka (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

An application distribution management system for Hybridcast. - Yuki Hironaka; Hisayuki Ohmata; Go Ohtake; Kazuhiro Otsuki; Masaru Takechi; Kenjiro Kai; Keigo Majima (ICCE, 2015)

Watermarking for HEVC/H.265 stream. - Kazuto Ogawa; Go Ohtake (ICCE, 2015)

Privacy preserving system for integrated broadcast-broadband services. - Go Ohtake; Kazuto Ogawa (ICCE, 2015)

Privacy preserving system for integrated broadcast-broadband services using attribute-based encryption. - Go Ohtake; Kazuto Ogawa; Reihaneh Safavi-Naini (IEEE Trans. Consumer Electron., 2015)

Application Authentication System with Efficiently Updatable Signature. - Kazuto Ogawa; Go Ohtake (IEICE Trans. Inf. Syst., 2016)

Outsourcing of Verifiable Attribute-Based Keyword Search. - Go Ohtake; Reihaneh Safavi-Naini; Liang Feng Zhang (NordSec, 2017)

Partially Wildcarded Ciphertext-Policy Attribute-Based Encryption and Its Performance Evaluation. - Go Ohtake; Kazuto Ogawa; Goichiro Hanaoka; Shota Yamada 001; Kohei Kasamatsu; Takashi Yamakawa; Hideki Imai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017)

Chosen ciphertext secure keyed-homomorphic public-key cryptosystems. - Keita Emura; Goichiro Hanaoka; Koji Nuida; Go Ohtake; Takahiro Matsuda 002; Shota Yamada 001 (Des. Codes Cryptogr., 2018)

Attribute-Based Encryption for Range Attributes. - Nuttapong Attrapadung; Goichiro Hanaoka; Kazuto Ogawa; Go Ohtake; Hajime Watanabe; Shota Yamada 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

Privacy Preserving System for Real-Time Enriched-Integrated Service with Feedback to Providers. - Kaisei Kajita; Kazuto Ogawa; Go Ohtake (HCI (29), 2019)

Outsourcing scheme of ABE encryption secure against malicious adversary. - Go Ohtake; Reihaneh Safavi-Naini; Liang Feng Zhang (Comput. Secur., 2019)

Privacy-Preserving System for Enriched-Integrated Service. - Kaisei Kajita; Go Ohtake; Kazuto Ogawa (IEICE Trans. Inf. Syst., 2021)

Private Set Intersection for Viewing History with Efficient Data Matching. - Kaisei Kajita; Go Ohtake (HCI (40), 2022)

Membership Privacy for Asynchronous Group Messaging. - Keita Emura; Kaisei Kajita; Ryo Nojima; Kazuto Ogawa; Go Ohtake (IACR Cryptol. ePrint Arch., 2022)

Continuous Group Key Agreement with Flexible Authorization and Its Applications. - Kaisei Kajita; Keita Emura; Kazuto Ogawa; Ryo Nojima; Go Ohtake (IACR Cryptol. ePrint Arch., 2022)

Providing Membership Privacy to the Asynchronous Ratcheting Trees Protocol without losing Scalability. - Keita Emura; Kaisei Kajita; Ryo Nojima; Kazuto Ogawa; Go Ohtake (J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2022)

Privacy-Preserving Data Management and Provision System for Personal Data Store. - Kaisei Kajita; Kinji Matsumura; Go Ohtake (HCI (45), 2023)

Survey on the Impact of Listening to Audio for Adaptive Japanese Subtitles and Captions Ruby. - Shinya Abe; Shoko Fujii; Hideya Mino; Jun Goto; Go Ohtake; Satoshi Fujitsu; Kinji Matsumura; Hiroshi Fujisawa (IMX, 2023)

Short Lattice Signature Scheme with Tighter Reduction under Ring-SIS Assumption. - Kaisei Kajita; Go Ohtake; Kazuto Ogawa; Koji Nuida; Tsuyoshi Takagi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)

Consecutive Adaptor Signature Scheme: From Two-Party to N-Party Settings. - Kaisei Kajita; Go Ohtake; Tsuyoshi Takagi (ProvSec (1), 2024)

EncPDS: Encrypted Personal Data Stores via Key-Aggregate ID-Based Proxy Re-Encryption. - Kaisei Kajita; Go Ohtake (SIN, 2024)

Generalized Adaptor Signature Scheme: From Two-Party to N-Party Settings. - Kaisei Kajita; Go Ohtake; Tsuyoshi Takagi (IACR Cryptol. ePrint Arch., 2024)

Outsider-Anonymous Broadcast Encryption with Keyword Search: Generic Construction, CCA Security, and with Sublinear Ciphertexts. - Keita Emura; Kaisei Kajita; Go Ohtake (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024)

Impact of Audio on Adaptive Japanese Subtitles and Captions Ruby. - Shinya Abe; Shoko Fujii; Hideya Mino; Jun Goto; Go Ohtake; Satoshi Fujitsu; Kinji Matsumura; Hiroshi Fujisawa (J. Inf. Process., 2024)

Prototyping of an MPEG-DASH Player for Verifying and Presenting Content Provenance Information. - Takumi Mouri; Satoshi Nishimura; Go Ohtake (ICCE, 2025)